Shares of the following companies are having unusual moves in U.S. trading this morning.

Callaway Golf Co. (ELY US) declined 6.9 percent to $7.27 and earlier lost 11 percent, the most intraday since Dec. 18. The maker of Big Bertha and Steelhead golf clubs said first- quarter profit excluding some items will be 13 cents a share at most, missing the average analyst estimate for a profit of 42 cents.

Cytec Industries Inc. (CYT US) plunged 21 percent to $14.39 for the second-biggest drop in the Russell 1000 Index. The maker of reinforced plastics for airplane parts reduced its dividend by 90 percent to 1.25 cents a share and forecast 2009 earnings that missed analysts’ estimates.

DryShips Inc. (DRYS US) rose 17 percent to $6.51 and earlier climbed to $6.55, the highest intraday price since Feb. 9. The commodities shipping line said it completed an equity offering filed on Jan. 28, raising gross proceeds of about $500 million. The company said it will continue reducing debt.

First Horizon National Corp. (FHN US) dropped the most in the Standard & Poor’s 500 Index, sliding 9.3 percent to $11.68. Tennessee’s biggest bank reported a first-quarter adjusted loss of 38 cents a share, 27 percent wider than the average analyst estimate, according to Bloomberg data.

Mattel Inc. (MAT US) climbed 12 percent to $14.60 for the second-best gain in the S&P 500. The world’s biggest toymaker said its inventories fell 9 percent in the first quarter from last year and it expects a “modest” price increase for toys this year.

MGM Mirage (MGM US) slumped 12 percent to $5.19. Carl Icahn and Oaktree Capital are pressing for the casino company to file for bankruptcy, the Wall Street Journal reported, citing unidentified people familiar with the matter.

Tyco Electronics Ltd. (TEL US) jumped the most in the S&P 500, advancing 15 percent to $16.46. The world’s largest maker of electronic connectors agreed to sell its wireless unit to Harris Corp. (HRS US) for $675 million. The company also reported preliminary sales for the second quarter of $2.46 billion, beating the average analyst estimate of $2.39 billion.

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Around 8:20 p.m., a 50-year-old Oakland man was driving on eastbound I-580 lanes near Edwards Avenue when a bullet came through his windshield from an unknown direction, CHP Officer Matthew Hamer said.

Around 5:35 p.m., CHP officers responded to a report of the incident in westbound I-580 lanes at Main Street. En route, officers learned a vehicle's driver said a person in another vehicle brandished a handgun and fired a shot.

In addition to evacuating 10 neighboring homes, deputies restricted pedestrian and vehicle traffic in the area while the sheriff's office bomb squad "safely disposed" of the explosives, officials said.